The typical asking rate per listing is in the $10's per square foot per year. The Columbia region is experiencing a an increase in rates. In the last 3 months, the median rate went up $18 per sqft per year.
In the last 90 days, 59 listings have come on the market, so you'll want to check back regularly for new listings. About 53% of the available space in the Columbia are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,950 sqft. Most properties in this market are close to 2 floors. Most buildings in this area were built in 1970 and are Class B.